Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (5/5 displayed)

  • 2022In situ thermal annealing transmission electron microscopy of irradiation induced Fe nanoparticle precipitation in Fe–Si alloy2citations
  • 2022In situ thermal annealing transmission electron microscopy of irradiation induced Fe nanoparticle precipitation in Fe–Si alloy2citations
  • 2014Behavior of phosphorous and contaminants from molecular doping combined with a conventional spike annealing method45citations
  • 2004Neutron irradiated copper: Is the main positron lifetime component due to stacking fault tetrahedra?citations
  • 2001Spin polarization dependent far infrared absorption in Ga1-xMnxAs44citations

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Chart of shared publication
Du, Y.
2 / 13 shared
Konno, T. J.
1 / 2 shared
Inoue, K.
3 / 5 shared
Chen, J.
2 / 51 shared
Yoshida, Kenta
1 / 4 shared
Maaß, Robert
2 / 31 shared
Ikeda, Yuki
2 / 11 shared
Sato, M.
2 / 6 shared
Konno, T.
1 / 3 shared
Shimada, Y.
1 / 2 shared
Yoshida, K.
1 / 2 shared
Shimizu, Y.
1 / 3 shared
Takamizawa, H.
1 / 1 shared
Prati, E.
1 / 4 shared
Perego, M.
1 / 13 shared
Yano, F.
1 / 1 shared
Lamagna, L.
1 / 9 shared
Mazzeo, G.
1 / 2 shared
Ohkubo, H.
1 / 1 shared
Hasegawa, M.
1 / 6 shared
Edwards, D. J.
1 / 16 shared
Eldrup, Morten Mostgaard
1 / 18 shared
Singh, B. N.
1 / 28 shared
Dietl, Tomasz
1 / 262 shared
Kunimoto, T.
1 / 1 shared
Matsukura, F.
1 / 23 shared
Nojri, H.
1 / 1 shared
Motokawa, M.
1 / 2 shared
Ohno, H.
1 / 25 shared
Nagasaka, K.
1 / 2 shared
Chart of publication period
2022
2014
2004
2001

Co-Authors (by relevance)

  • Du, Y.
  • Konno, T. J.
  • Inoue, K.
  • Chen, J.
  • Yoshida, Kenta
  • Maaß, Robert
  • Ikeda, Yuki
  • Sato, M.
  • Konno, T.
  • Shimada, Y.
  • Yoshida, K.
  • Shimizu, Y.
  • Takamizawa, H.
  • Prati, E.
  • Perego, M.
  • Yano, F.
  • Lamagna, L.
  • Mazzeo, G.
  • Ohkubo, H.
  • Hasegawa, M.
  • Edwards, D. J.
  • Eldrup, Morten Mostgaard
  • Singh, B. N.
  • Dietl, Tomasz
  • Kunimoto, T.
  • Matsukura, F.
  • Nojri, H.
  • Motokawa, M.
  • Ohno, H.
  • Nagasaka, K.
OrganizationsLocationPeople

article

In situ thermal annealing transmission electron microscopy of irradiation induced Fe nanoparticle precipitation in Fe–Si alloy

  • Du, Y.
  • Nagai, Y.
  • Konno, T. J.
  • Inoue, K.
  • Chen, J.
  • Yoshida, Kenta
  • Maaß, Robert
  • Ikeda, Yuki
  • Sato, M.
Abstract

<jats:p>The typical experimental conditions inside a transmission electron microscope (TEM), such as ultra-high vacuum, high-energy electron irradiation, and surface effects of ultrathin TEM specimens, can be the origin of unexpected microstructural changes compared with that of bulk material during in situ thermal-annealing experiments. In this paper, we report on the microstructural changes of a Fe–15%Si alloy during in situ TEM annealing, where, in its bulk form, it exhibits an ordering transformation from D03 to B2 at 650 °C. Using a heating-pot type double tilt holder with a proportional–integral–differential control system, we observed the precipitation of α-Fe both at the sample surface and inside the sample. Surface precipitates formed via surface diffusion are markedly large, several tens of nm, whereas precipitates inside the specimen, which are surrounded by Fe-poor regions, reach a maximum size of 20 nm. This unexpected microstructural evolution could be attributed to vacancies on Si sites, which are induced due to high-energy electron irradiation before heating, as well as enhanced thermal diffusion of Fe atoms.</jats:p>

Topics
  • nanoparticle
  • surface
  • experiment
  • transmission electron microscopy
  • precipitate
  • precipitation
  • annealing